FixVault

On Board Diagnosis Logic

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0452
0452
EVAP control system pressure sensor low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (EVAP control system pressure sensor circuit is shorted.)

    [CKP sensor (POS) circuit is shorted.]

    [CMP sensor (PHASE) (bank 2) circuit is shorted.]

    [EVT control position sensor (bank 2) circuit is shorted.]

    (APP sensor 2 circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Camshaft position sensor (PHASE) (bank 2)
  • Exhaust valve timing control position sensor (bank 2)
  • Accelerator pedal position sensor
  • Refrigerant pressure sensor